Home / 55,178.28-82,774.98-17,729.46

Finding the Fourth Proportional to 55,178.28, 82,774.98 and 17,729.46

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Solution

The fourth proportional to 55,178.28, 82,774.98 and 17,729.46 is: 26,596.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,178.28 : 82,774.98 = 17,729.46 : x
  2. Step 2: Convert to fraction form
    55,178.28/82,774.98 = 17,729.46/x
  3. Step 3: Cross multiply
    55,178.28x = 82,774.98 × 17,729.46
  4. Step 4: Simplify right side
    55,178.28x = 1,467,555,696.91
  5. Step 5: Solve for x
    x = 1,467,555,696.91/55,178.28
  6. Step 6: Final answer
    x = 26,596.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.